Le Chatelier's Principle Quiz

According to Le Chatelier's Principle, what happens to a system when the concentration of a substance is increased?

• The system shifts towards the substance.

• The system shifts away from the substance.

• No shift occurs in the system.

• The system shifts towards more moles of gas.

Tags

NGSS.HS-PS1-5

What is the system's response when the pressure is decreased according to Le Chatelier's Principle?

• The system shifts towards fewer moles of gas.

• The system shifts away from the substance.

• The system shifts towards more moles of gas.

• No shift occurs in the system.

What is the effect of adding a catalyst on the position of equilibrium according to Le Chatelier's Principle?

• The system shifts towards the substance.

• The system shifts away from the substance.

• No shift occurs in the system.

• The system shifts towards more moles of gas.

How does an increase in temperature affect the position of equilibrium in an exothermic reaction according to Le Chatelier's Principle?

• The system shifts towards the reactants.

• The system shifts towards the products.

• No shift occurs in the system.

• The system shifts towards more moles of gas.

What is the effect of removing a product from the system according to Le Chatelier's Principle?

• The system shifts towards the products.

• The system shifts away from the products.

• No shift occurs in the system.

• The system shifts towards more moles of gas.

According to Le Chatelier's Principle, how does a decrease in temperature affect the position of equilibrium in an endothermic reaction?

• The system shifts towards the reactants.

• The system shifts towards the products.

• No shift occurs in the system.

• The system shifts towards fewer moles of gas.

Tags

NGSS.HS-PS1-5

How does an increase in pressure affect the position of equilibrium in a reaction involving unequal moles of gas on either side according to Le Chatelier's Principle?

• The system shifts towards the side with more moles of gas.

• The system shifts towards the side with fewer moles of gas.

• No shift occurs in the system.

• The system shifts towards producing a solid.

What is the effect of decreasing the concentration of a reactant on the position of equilibrium according to Le Chatelier's Principle?

• The system shifts towards the reactants.

• The system shifts towards the products.

• No shift occurs in the system.

• The system shifts towards producing more moles of gas.

Tags

NGSS.HS-PS1-6

According to Le Chatelier's Principle, how does the addition of an inert gas at constant volume affect the position of equilibrium?

• The system shifts towards the reactants.

• The system shifts towards the products.

• No shift occurs in the system.

• The system shifts towards fewer moles of gas.

Le Chaltelier's Principle states that if a chemical system at equilibrium is stressed,

• the system will adjust to increase the stress
• the system will adjust to reduce the stress
• the system will not adjust